# Quiz: Light And Reflection

12 Questions  I  By Songj2
Practice quiz for SNC2DP light and reflection.

Changes are done, please start the quiz.

 1 The detection of biological fluids using an ultraviolet light source by forensic investigators is an example of:
 A. Incandescence
 B. Fluorescence
 C. Chemiluminescence
 D. Bioluminescence
 E. Phosphorescence
 2 In the electromagnetic spectrum, which of the following is TRUE regarding microwaves.
 A. Their wavelengths are shorter than visible light.
 B. Microwaves can be detected by human eyes.
 C. They travel slower than visible light.
 D. Their wavelenths are longer than visible light.
 E. They travel faster than visible light.
 3 The shortest time interval in which a wave motion completely repeats itself (i.e., makes one complete vibration or oscillation) is called the
 A. Amplitude
 B. Wavelength
 C. Period
 D. Frequency
 E. Speed
 4 In a transverse wave,
 A. The particles move parallel to the direction of the wave motion.
 B. The particles move perpendicular to the direction of the wave motion.
 C. Energy causes the particles to move forward with the wave.
 D. Energy is propagated by compressions and rarefactions.
 E. The speed is unaffected by the type of medium used.
 5 The angle of incidence for a wave
 A. Can be measured between the incident ray and the normal
 B. Can be measured between the incident wavefront and the boundary
 C. Is equal to the angle of reflection
 D. Does not depend on the frequency of the source
 E. All of the above
 6 An student is located 1.8 m from a plane mirror. How far is the image from the student?
 A. 0 m
 B. 0.9 m
 C. 1.8 m
 D. 2.7 m
 E. 3.6 m
 7 A concave mirror has a focal length of 30 cm.  If an object is placed 45 from the vertex of this mirror, the image will be:
 A. Larger and inverted
 B. Smaller and inverted
 C. Larger and upright
 D. Smaller and upright
 E. The same size and inverted
 8 As an object is placed further and further from a concave mirror:
 A. The image becomes virtual
 B. The image will get larger and larger
 C. Eventually, no image will be formed
 D. The image approaches the focal point
 E. The image approaches the centre of curvature
 9 When using the mirror equation and the magnification equation for curved mirrors, which of the following is FALSE?
 A. Convex mirrors have a negative focal length
 B. If an image is larger than the image, its magnification is >1.0
 C. The distance of the image in convex mirrors will always have a negative value
 D. The distance of the object is always a positive value, regardless of whether the mirror is concave or convex
 E. A negative magnification means that the image is inverted
 10 An object placed between the focal point and the vertex of a concave mirror will produce:
 A. No image
 B. An image that is smaller and virtual
 C. An image that is larger and virtual
 D. An image that is smaller and real
 E. An image that is larger and real
 11 All parallel rays that approach a concave mirror:
 A. Must reflect through the focal point
 B. Must reflect through the centre of curvature
 C. Must reflect somewhere between the focal point and the centre of curvature
 D. Must reflect back along the incident path
 E. None of the above
 12 All images in plane mirrors are:
 A. The same size as the object and real
 B. Larger and upright
 C. Smaller and upright
 D. Smaller and inverted
 E. Virtual and upright
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